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[3.12] gh-59254: mention in open() doc that line buffering is for writing (GH-112318) (#112378)

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gh-59254: mention in open() doc that line buffering is for writing (GH-112318)
(cherry picked from commit fafae08cc7)

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
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Miss Islington (bot) 2023-11-24 19:15:54 +01:00 • committed by GitHub
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Doc/library/functions.rst
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@ -1221,7 +1221,7 @@ are always available. They are listed here in alphabetical order.
*buffering* is an optional integer used to set the buffering policy. Pass 0 *buffering* is an optional integer used to set the buffering policy. Pass 0
to switch buffering off (only allowed in binary mode), 1 to select line to switch buffering off (only allowed in binary mode), 1 to select line
buffering (only usable in text mode), and an integer > 1 to indicate the size buffering (only usable when writing in text mode), and an integer > 1 to indicate the size
in bytes of a fixed-size chunk buffer. Note that specifying a buffer size this in bytes of a fixed-size chunk buffer. Note that specifying a buffer size this
way applies for binary buffered I/O, but ``TextIOWrapper`` (i.e., files opened way applies for binary buffered I/O, but ``TextIOWrapper`` (i.e., files opened
with ``mode='r+'``) would have another buffering. To disable buffering in with ``mode='r+'``) would have another buffering. To disable buffering in